1To Thomas Jefferson from Johann Ludwig de Unger, with a List of Books Returned, 13 November 1780 (Jefferson Papers)
Comme nous avons reçu les Ordres de quitter cette Place, j’ai cru qu’il dût etre un de mes...
2To Thomas Jefferson from Johann Ludwig de Unger, 25 November 1780 (Jefferson Papers)
L’ordre que nous reçumes de quitter cette Province, me fit prendre la Liberté, de Vous envoyer la...
3From Thomas Jefferson to Johann Ludwig de Unger, 30 November 1780 (Jefferson Papers)
The letter which covers this being of a public nature I wished separately to acknolege the many...
4To Thomas Jefferson from Johann Ludwig de Unger, 20 January 1788 (Jefferson Papers)
Les gracieuses bontés dont Votre Excellence a daigné m’honorer quand, durant le Séjour des...
5From Thomas Jefferson to Johann Ludwig de Unger, 16 February 1788 (Jefferson Papers)
I receive with a great deal of pleasure your favor of January 20. and congratulate you sincerely...
6To Thomas Jefferson from Johann Ludwig de Unger, 10 May 1788 (Jefferson Papers)
Salzliebenhalle, 10 May 1788 . Thanks TJ for his letter of 16 Feb. 1788 and for granting the...